PENSOTTI PCI 20-H, Instruction Manual

Page: 31 / 75

INSTALLATION INSTRUCTIONS
27
Remote control connection
Connect the power supply to the terminal board inside the control panel as follows:
a. Switch off the power supply at service switch or breaker.
b. Remove the front case panel of the boiler.
c. Slacken the screws and remove plate A (see fig. 1).
d. With the plate removed, connect the wires to the terminal board B as follows:
Connect the earth wire (normally coloured green/yellow) to the terminal marked with the earth symbol “ “.
Connect the neutral wire (normally coloured blue) to the terminal marked with the let
ter “N”.
Connect the live wire (normally coloured brown) to the terminal marked with the letter “L”.
Terminals identified by the letters: Ta Room thermostat or End Switch
Se Outside temperature sensor
Ta terminals are 24V DC. Only a non-power robbing, battery operated thermostat or dry set of contacts can be installed
on Ta terminals.
When the wires have been connected, place plate “A" back to position. Switch the power supply back on.
Fig. 1
Ta
L
N
Ta
Se
Se
B
A
white
yellow/green
black